Tehuantepec Forecast
September 13, 2025, 9:01 pm (UTC: -04:00)
Subject: Tehuantepec Forecast
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This forecast has not been reviewed. It was generated from an automatic model.
WARNINGS
.NONE.
RECENT SCATTEROMETER SATELLITE DATA SHOW FRESH TO STRONG SE TO
NE WINDS AND MODERATE SEAS ARE OCCURRING OFF THE COAST OF JALISCO
NEAR THE REMNANT LOW OF TROPICAL STORM MARIO, ANALYZED NEAR
18.5N107.5W. ELSEWHERE, MODERATE TO FRESH N TO NE WINDS EXTEND
THROUGH THE GULF OF TEHUANTEPEC AS HIGH PRESSURE BUILDS OVER
EAST-CENTRAL MEXICO. OFFSHORE OF BAJA CALIFORNIA, THE PRESSURE
GRADIENT BETWEEN A SURFACE TROUGH OVER NORTHWESTERN MEXICO INTO
THE CENTRAL GULF OF CALIFORNIA AND HIGH PRESSURE TO THE WEST IS
SUPPORTING MODERATE NW WINDS AND 5 TO 7 FT SEAS, AS NOTED ON
RECENT SCATTEROMETER AND ALTIMETER DATA. GENTLE TO MODERATE WINDS
AND 1 TO 3 FT SEAS PREVAIL IN THE GULF OF CALIFORNIA.
FOR THE FORECAST, MODERATE TO LOCALLY FRESH WINDS ARE EXPECTED
OFFSHORE OF WEST-CENTRAL MEXICO AND NEAR THE REVILLAGIGEDO
ISLANDS THIS WEEKEND AS THE REMNANTS OF FORMER TROPICAL STORM
MARIO SLOWLY DISSIPATE. ELSEWHERE, FRESH TO LOCALLY STRONG N TO
NE WINDS WILL PULSE IN THE GULF OF TEHUANTEPEC TONIGHT INTO EARLY
SUN. MODERATE TO OCCASIONALLY FRESH NE WINDS ARE EXPECTED
THEREAFTER, WITH WINDS INCREASING TO STRONG SPEEDS BY THE MIDDLE
OF NEXT WEEK. MODERATE TO FRESH NW WINDS OFFSHORE OF BAJA
CALIFORNIA WILL OCCUR THROUGH TONIGHT BEFORE DIMINISHING SLIGHTLY
SUN INTO NEXT WEEK. LOOKING AHEAD, AN AREA OF LOW PRESSURE
LOCATED SOUTH OF THE BAJA CALIFORNIA PENINSULA IS EXPECTED TO
ENCOUNTER ENVIRONMENTAL CONDITIONS CONDUCIVE FOR GRADUAL
DEVELOPMENT, AND A TROPICAL DEPRESSION COULD FORM BY THE MIDDLE
OF NEXT WEEK AS IT TRACKS SLOWLY WESTWARD. THERE IS A LOW CHANCE
OF FORMATION WITHIN THE NEXT 48 HOURS, AND A MEDIUM CHANCE IN THE
NEXT 7 DAYS. ELSEWHERE, AN AREA OF LOW PRESSURE COULD DEVELOP
WELL OFFSHORE OF THE COAST OF SOUTHERN OR SOUTHWESTERN MEXICO
EARLY NEXT WEEK. ENVIRONMENTAL CONDITIONS ARE EXPECTED TO BE
CONDUCIVE FOR GRADUAL DEVELOPMENT AS THE LOW TRACKS WESTWARD TO
WEST-NORTHWESTWARD AROUND 10 TO 15 MPH. THERE IS A LOW CHANCE OF
DEVELOPMENT WITHIN THE NEXT 7 DAYS.
SHORT-TERM TEHUANTEPEC
TODAY - NNW 6-7, Seas SSW 0-5.1 feet @ 20sec
TONITE - NNW 6-7, Seas SSW 0-5.1 feet @ 20sec
MONDAY - SSE 6-7, Seas SSW 0-6.8 feet @ 16sec
MONDAY NIGHT - SSE 6-7, Seas SSW 0-6.8 feet @ 16sec
LONG-TERM TEHUANTEPEC
TUESDAY - SSW 6-7, Seas SSW 0-6.7 feet @ 15sec
WEDNESDAY - NNW 14-18, Seas N/A ?-? feet @ ?
THURSDAY - N 14-17, Seas N/A ?-? feet @ ?
FRIDAY - NNE 6-8, Seas N/A ?-? feet @ ?
SATURDAY - Not available yet